JC
John Cavanaugh — 1930 US Census Record
Model Tree available1930 United States Federal Census · Cook, Illinois
Our Model Tree links this John Cavanaugh across the 1920, 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed), with identified parents John & Alice — first a head (b.~1893), then head of a 3-person household.
Age 37
b. ~1893
Male
Head
Born: Illinois
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Additional Details | |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 72.50 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Manager |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1893 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| John Cavanaugh | Head | — | 37 | ~1893 |
| Lillian Cavanaugh | Other | — | 32 | ~1898 |
| Shirley Cavanaugh | Daughter | — | 4 | ~1926 |
Census Appearances
1920
Cook, Illinois
Son, age 28
Cook, Illinois · implied b. ~1892 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Occupation | Clerk |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Cook, Illinois
Head, age 37
Cook, Illinois · implied b. ~1893 — 3 household members
| Surname | Cavanaugh |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Illinois |
| Age at First Marriage | 30 |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | England |
| Occupation | Manager |
| Industry | Grocery Store |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 72.50 |
| Radio Set | R |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Head, age 48
Cook-County, Illinois · implied b. ~1892 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kavanath |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 48 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Estimator |
| Industry | Building Cont. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links John Cavanaugh across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Cavanaugh (~0.92 confidence) and mother Alice Cavanaugh (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Cavanaugh
b. ~1860
Source father
● Household
· direct · ~0.92
Mother
Alice Cavanaugh
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Cavanaugh
Head · 1930 · age 37 · b. ~1893 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
25 people indexed on this census page (ia:1930:illinoiscensus00reel426:0148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Isabella Gould | 40 | Sister | Servant | Scotland |
| 52 | Miles E. Lamphiear | 35 | Head | Public Acct | Iowa |
| 53 | Anne J. Lamphiear | 25 | Wife-H | — | Illinois |
| 54 | Lealis Anne Lamphiear | 2 | Daughter | — | Illinois |
| 55 | Henry Kelley | 47 | Head | Salesman | Michigan |
| 56 | Meta F. Kelley | 47 | Wife-H | Saleslady | Illinois |
| 57 | Frances E. Kelley | 15 | Daughter | Stenographer | Illinois |
| 58 | Richard Kelley | 11 | Son | Clerk | Illinois |
| 59 | Marion Kelley | 3 | Daughter | — | Illinois |
| 60 | Harry A. Hall | 28 | Head | Salesman | Illinois |
| 61 | Norma Hall | 24 | Wife-H | Manager | Illinois |
| 62 | Cuyter Mcrae | 26 | Head | Salesman | Iowa |
| 63 | Anita Mcrae | 24 | Wife-H | — | Illinois |
| 64 | Anita Mcrae | 4 | Daughter | — | Illinois |
| 65 | Harry W. Thompson | 42 | Head | Electrician | Illinois |
| 66 | Hazel S. Thompson | 34 | Wife-H | — | Minnesota |
| 67 | Harry Jr. Thompson | 1 | Son | — | Illinois |
| 68 | Ernest Bernard | 29 | Head | Yes | England London |
| 69 | Edna Bernard | 23 | Wife-H | — | Kansas |
| 70 | John Cavanaugh THIS PERSON | 37 | Head | Manager | Illinois |
| 71 | Lillian Cavanaugh | 32 | Wife-H | — | Illinois |
| 72 | Shirley Cavanaugh | 4 | Daughter | — | Illinois |
| 73 | Gilbert W. Butler | 30 | Head | Draftsman | Illinois |
| 74 | Isabelle E. Butler | 27 | Wife-H | — | Illinois |
| 75 | Nelly Donovan | 48 | Head | Office Clerk | Illinois |
Related Census Records
Pedigree Summary
John
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)